"""
@name : xlx
@author : suyj
@project_name : pycharmlx
"""

# import re
# a = input("请输入数字")
# if re.match('^[\d|\+]\d*$',a):
#     print(f"{a}是正整数")
# else:
#     print(f"{a}不是正整数")

# if re.match('^[\-]\d*$',a):
#     print(f"{a}是负整数")
# else:
#     print(f"{a}不是负整数")

# if re.match('[\-|\+]?\d+\.\d+',a):
#     print(f"{a}是浮点数")
# else:
#     print(f"{a}不是浮点数数")